Date: Fri, 28 Jun 2002 18:00:02 -0400 (EDT) From: John Baldwin <jhb@FreeBSD.org> To: John David Duncan <jdd@greatschools.net> Cc: freebsd-stable@freebsd.org, freebsd-smp@freebsd.org Subject: RE: 2 xeons = 4 CPUs? Message-ID: <XFMail.20020628180002.jhb@FreeBSD.org> In-Reply-To: <Pine.OSX.4.44.0206281443230.379-100000@dh8.office.greatschools.net>
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On 28-Jun-2002 John David Duncan wrote: > Hey, > > I just installed 4.6-RELEASE on a dual 1.8Mhz Xeon + Tyan S2720 > motherboard (a Relion 140 server from Penguin Computing, actually). > When I reboot with an SMP kernel, I see: > > CPU: Pentium 4 (2199.76-Mhz 686-class CPU) > CPU: Pentium 4 (2199.76-Mhz 686-class CPU) > CPU: Pentium 4 (2199.76-Mhz 686-class CPU) > CPU: Pentium 4 (2199.76-Mhz 686-class CPU) > SMP: AP CPU #1 Launched! > SMP: AP CPU #2 Launched! > SMP: AP CPU #3 Launched! > > That's twice as many CPUs as I think I have, each going 400Mhz faster. Is > this safe? Correct? Is it that hyperthreading stuff? Should I disable > it? Yes, it is HT and it should work fine. Let us know if there are any problems. -- John Baldwin <jhb@FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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